import Vue from 'vue'
import Router from 'vue-router'

Vue.use(Router)

/* Layout */
import Layout from '@/layout'

/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    roles: ['admin','editor']    control the page roles (you can set multiple roles)
    title: 'title'               the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'/'el-icon-x' the icon show in the sidebar
    breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
  }
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
// 常量路由，就是不管用户是什么角色，都可以看见的路由        商品管理相关
export const constantRoutes = [
    // 登录页
    {
        path: '/login',
        component: () => import('@/views/login/index'),
        hidden: true
    },

    // 404
    {
        path: '/404',
        component: () => import('@/views/404'),
        hidden: true
    },

    // 首页
    {
        path: '/',
        component: Layout,
        redirect: '/dashboard',     // 重定向
        children: [
            {
                path: 'dashboard',
                name: 'Dashboard',
                component: () => import('@/views/dashboard/index'),
                meta: {title: '首页', icon: 'dashboard'}
            }
        ]
    },

]

// 异步路由，就是不同的用户（角色），需要过滤筛选出的路由，称之为异步路由
export const allAsyncRouter = [
    // 权限管理
    {
        name:'Acl',
        path:'/acl',
        component:Layout,
        redirect:'/acl/user/list',
        meta:{
            title:'权限管理',
            icon:'el-icon-lock'
        },
        children:[
            {
                name:'User',
                path:'user/list',
                component:() => import('@/views/acl/user/list'),
                meta:{
                    title:'用户管理'
                }
            },
            {
                name:'Role',
                path:'role/list',
                component:() => import('@/views/acl/role/list'),
                meta:{
                    title:'角色管理'
                }
            },
            {
                name:'RoleAuth',
                path:'role/auth/:id',
                component:() => import('@/views/acl/role/roleAuth'),
                meta:{
                    activeMenu:'/acl/role/list',
                    title:'角色授权'
                },
                hidden:true
            },
            {
                name:'Permission',
                path:'permission/list',
                component:() => import('@/views/acl/permission/list'),
                meta:{
                    title:'菜单管理'
                }
            }
        ]
    },
    // 商品管理页
    {
        path: '/product',
        component: Layout,
        name:'Product',
        meta: {title: '商品管理', icon: 'el-icon-goods'},
        children: [
            {
                path: 'tradeMark',
                name: 'TradeMark',
                component: () => import('@/views/product/TradeMark/TradeMark'),
                meta: {title: '品牌管理'}
            },
            {
                path: 'attr',
                name: 'Attr',
                component: () => import('@/views/product/Attr/Attr'),
                meta: {title: '平台属性管理'}
            },
            {
                path: 'sku',
                name: 'Sku',
                component: () => import('@/views/product/Sku/Sku'),
                meta: {title: 'Sku管理'}
            },
            {
                path: 'spu',
                name: 'Spu',
                component: () => import('@/views/product/Spu/Spu'),
                meta: {title: 'Spu管理'}
            }
        ]
    },
    // test页
    {
        path: '/test',
        component: Layout,
        name:'Test',
        meta: {title: '测试管理', icon: 'el-icon-s-tools'},
        children: [
            {
                path: 'test1',
                name: 'Test1',
                component: () => import('@/views/test/test1/test1'),
                meta: {title: '测试管理1'}
            },
            {
                path: 'test2',
                name: 'Test2',
                component: () => import('@/views/test/test2/test2'),
                meta: {title: '测试管理2'}
            },
        ]
    },
]

// 任意路由，当路径出现错误的时候，重定向到404
export const anyRouter = [
    // 404 page must be placed at the end !!!
    {path: '*', redirect: '/404', hidden: true}
]

const createRouter = () => new Router({
    // mode: 'history', // require service support
    scrollBehavior: () => ({y: 0}),
    routes: constantRoutes
})

const router = createRouter()

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
    const newRouter = createRouter()
    router.matcher = newRouter.matcher // reset router
}

export default router
